1) Depends on what type of kitchen you're using. If visual kitchen, just make OEM an EXT and place in EXT folder. Otherwise, you need to find and delete or replace the files from the custom bottom bar in the SYS.
2) eNatives_ShowcaseSuite_1.1.0, it's in xda development and hacking. XDA's being too slow for me to get you a link since I'm impatient
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edit--link:
http://forum.xda-developers.com/showthread.php?t=530564